I ________you yesterday afternoon,but you ________at home.
I don’t like summer, as it is hot and we have to do homework.
______ the help of the policeman, I found my lost wallet.
The temperature can drop ________zero when winter comes.
— Is Jim coming by train? — I’m not sure. He_____ drive his car.
— _______ can a tiger weigh, do you know? — Yes, I know that a big one can weigh over 300 kilos.